10
E GS (Lock) IM
Copyright (c) 2018 KEYENCE CORPORATION. All rights reserved.
15312E 1098-1 96M15312 Printed in Japan
[F] No indicators light.
6-4 Inspection and Maintenance
Inspect the safety function of the GS (Lock) on the basis of the results of a risk
assessment of the target machine. It is strongly recommended that, at
minimum, the following items and periods be met.
• Initial inspection
Items
The type and actuator are installed on the basis of the installation
conditions, installation methods, and wiring specifications specified in this
manual.
The safety functions being used (“4-1 OSSD” (page 5), “4-2 Safety Input”
(page 6), “4-3 Lock Function” (page 6), “4-4 Interlock Function” (page 7)
or “4-5 EDM Function” (page 7)) operate as intended.
• Periodic inspection
Periods
SIL3/PLe: Once/month or more, SIL2/PLd: Once/year or more (ISO 14119)
Items
If an emergency stop switch is connected to the safety input, the safety
function acts correctly when the emergency stop switch is pressed.
There are no changes in the mounting conditions of the type and actuator
or in the doors, etc. to which these devices are installed.
The door, etc. is not deformed.
There are no changes to the installation status that will affect the results of
the risk assessment carried out at the start of the installation.
The mounting screws and seals (in the case that seals have been applied
to the auxiliary release) have been applied correctly.
No excessive damage or dirt is present.
Especially in the following cases, check the same details as the initial
inspection.
• When a change is made to the installation, wiring, or functions
• When the sensor or actuator is replaced
• When the equipment is not used for a long period of time
• When a defect occurs
Store the inspection results together with the machine’s records.
Errors found on the sensor or actuator cannot be repaired by the customer.
Replace the product with a new one or contact the nearest KEYENCE office.
6-5 Cleaning
If it is unavoidable that metal powder or a similar substance will accumulate
near the lock pin of the sensor main unit, clean the product periodically.
WARRANTIES AND DISCLAIMERS
(1) KEYENCE warrants the Products to be free of defects in materials and
workmanship for a period of one (1) year from the date of shipment. If any
models or samples were shown to Buyer, such models or samples were
used merely to illustrate the general type and quality of the Products and
not to represent that the Products would necessarily conform to said
models or samples. Any Products found to be defective must be shipped to
KEYENCE with all shipping costs paid by Buyer or offered to KEYENCE
for inspection and examination. Upon examination by KEYENCE,
KEYENCE, at its sole option, will refund the purchase price of, or repair or
replace at no charge any Products found to be defective. This warranty
does not apply to any defects resulting from any action of Buyer, including
but not limited to improper installation, improper interfacing, improper
repair, unauthorized modification, misapplication and mishandling, such as
exposure to excessive current, heat, coldness, moisture, vibration or
outdoors air. Components which wear are not warranted.
(2) KEYENCE is pleased to offer suggestions on the use of its various
Products. They are only suggestions, and it is Buyer’s responsibility to
ascertain the fitness of the Products for Buyer’s intended use. KEYENCE
will not be responsible for any damages that may result from the use of the
Products.
(3) The Products and any samples ("Products/Samples") supplied to Buyer are
not to be used internally in humans, for human transportation, as safety
devices or fail-safe systems, unless their written specifications state
otherwise. Should any Products/Samples be used in such a manner or
misused in any way, KEYENCE assumes no responsibility, and additionally
Buyer will indemnify KEYENCE and hold KEYENCE harmless from any
liability or damage whatsoever arising out of any misuse of the Products/
Samples.
(4) OTHER THAN AS STATED HEREIN, THE PRODUCTS/SAMPLES ARE
PROVIDED WITH NO OTHER WARRANTIES WHATSOEVER. ALL
EXPRESS, IMPLIED, AND STATUTORY WARRANTIES, INCLUDING,
WITHOUT LIMITATION, THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT
OF PROPRIETARY RIGHTS, ARE EXPRESSLY DISCLAIMED.
IN NO EVENT SHALL KEYENCE AND ITS AFFILIATED ENTITIES BE
LIABLE TO ANY PERSON OR ENTITY FOR ANY DIRECT, INDIRECT,
INCIDENTAL, PUNITIVE, SPECIAL OR CONSEQUENTIAL DAMAGES
(INCLUDING, WITHOUT LIMITATION, ANY DAMAGES RESULTING
FROM LOSS OF USE, BUSINESS INTERRUPTION, LOSS OF
INFORMATION, LOSS OR INACCURACY OF DATA, LOSS OF
PROFITS, LOSS OF SAVINGS, THE COST OF PROCUREMENT OF
SUBSTITUTED GOODS, SERVICES OR TECHNOLOGIES, OR FOR
ANY MATTER ARISING OUT OF OR IN CONNECTION WITH THE USE
OR INABILITY TO USE THE PRODUCTS, EVEN IF KEYENCE OR ONE
OF ITS AFFILIATED ENTITIES WAS ADVISED OF A POSSIBLE THIRD
PARTY’S CLAIM FOR DAMAGES OR ANY OTHER CLAIM AGAINST
BUYER. In some jurisdictions, some of the foregoing warranty disclaimers
or damage limitations may not apply.
BUYER’S TRANSFER OBLIGATIONS:
If the Products/Samples purchased by Buyer are to be resold or delivered
to a third party, Buyer must provide such third party with a copy of this
document, all specifications, manuals, catalogs, leaflets and written
information provided to Buyer pertaining to the Products/Samples.
E 1101-3
Possible cause
Confirmation
method
Countermeasure
The power is OFF or the
power supply voltage is
insufficient.
Power supply
voltage or power
supply wiring
Ensure that the power supply
voltage is within the range in the
specifications.
Wire the power supply correctly.
An extension cable or other
such connector cable is not
connected correctly.
Connection status
of connector cables
If necessary, connect the parts
again.
• To prevent danger due to the machine starting, thoroughly
ensure that no one is present in the hazardous zone during
inspection.
• If some error is found on the GS (Lock) as a result of the
inspection, do not operate the machine.
Document Control No. 1477AAE201
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